Dma Channels; Pci Configuration Space Map - Intel D845GEBV2 - OCTOBRE 2002 Manual

2.4 DMA Channels

Table 21.

DMA Channels

DMA Channel Number
0
1
2
3
4
5
6
7

2.5 PCI Configuration Space Map

Table 22.

PCI Configuration Space Map

Bus Device
Number (hex) Number (hex)
00 00
00 01
00 1E
00 1F
00 1F
00 1F
00 1F
00 1F
00 1D
00 1D
00 1D
00 1D
01 00
(Note 1)
08
(Note 1)
00
(Note 1)
01
(Note 1)
02
(Note 1)
03
(Note 1)
04
(Note 1)
05
Notes: 1. Bus number = 01 when the Intel Extreme Graphics controller is used. Bus number = 02 when an AGP add-
in card is used.
2. Desktop Board D845GEBV2 only
Data Width
8 or 16 bits
8 or 16 bits
8 or 16 bits
8 or 16 bits
8 or 16 bits
16 bits
16 bits
16 bits
Function
Number (hex) Description
00 Memory controller of Intel 82845GE component
00 Host to AGP bridge (virtual P2P)
00 Hub link to PCI bridge
00 Intel 82801DB ICH4 PCI to LPC bridge
01 IDE controller
03 SMBus controller
05 AC '97 audio controller
06 AC '97 modem controller
00 USB UHCI controller 1
01 USB UHCI controller 2
02 USB UHCI controller 3
07 EHCI controller
00 AGP add-in card
00 LAN controller (optional)
00 PCI bus connector 1
00 PCI bus connector 2
00 PCI bus connector 3
00 PCI bus connector 4
00 PCI bus connector 5
00 PCI bus connector 6
Technical Reference
System Resource
Open
Parallel port
Diskette drive
Parallel port (for ECP or EPP)
DMA controller
Open
Open
Open
(Note 2)
(Note 2)
(Note 2)
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